Rainer Court Property
IndustrialKing County, Washington · WECC
At a glance
Rainer Court Property is an industrial datacenter candidate site in King County, Washington, scoring 54.7/100 DC Readiness — 202nd of 344 scored sites in the county. It sits in the WECC grid region and the CITY OF SEATTLE - (WA) service territory, where interconnection has averaged 3.5 years from request to operation.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Sales tax exemption on DC equipment and construction for eligible facilities; no state income tax.
Site location
Get alerts
Track Rainer Court Property
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does Rainer Court Property compare with other sites in King County?
Rainer Court Property ranks 202nd of 344 scored candidate sites in King County. Its 54.7/100 is roughly in line with the county average of 56.1. It is roughly in line with the Washington average of 51.7 and roughly in line with the national average of 53.2.
Against the Washington average, its strongest sub-score is fiber connectivity (86 vs 63) and its weakest is power availability (30 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Rainer Court Property to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Evocative SEA1 at 3.4 miles. 16 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Comcast DC, 2.6 miles away.
What are the flood, water and hazard risks at Rainer Court Property?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates King County "Relatively Moderate".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in King County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MAPLE VALLEY | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 68.4 |
| COVINGTON | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 68.2 |
| ECHO LAKE | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 67.4 |
| RAVER | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 66.6 |
| TAP206230 | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 66.3 |
| OBRIEN | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 65.2 |
| OZ King | Greenfield | — | — | 3.5 yrs | 64.6 |
| SAMMAMISH | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 64.2 |
Rainer Court Property: common questions
What is the DC Readiness score of Rainer Court Property?
Rainer Court Property scores 54.7/100 on the GridCensus DC Readiness scale, rated fair. It ranks 202nd of 344 scored sites in King County. The King County average is 56.1 and the Washington average is 51.7.
Which electric utility serves Rainer Court Property?
CITY OF SEATTLE - (WA) (municipal) holds the retail service territory that contains the site; its holding company is SEATTLE PUBLIC UTILITIES.
What grid region is Rainer Court Property in?
Rainer Court Property is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
Is Rainer Court Property in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is Rainer Court Property from an internet exchange?
The nearest internet exchange facility is Evocative SEA1, about 3.4 miles away; 16 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Rainer Court Property, King County, WA”, https://gridcensus.com/datacenter-sites/washington/king-county/rainer-court-property-1387f6e8 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
Go deeper than the public screen
Every site and score for Rainer Court Property, King County is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.